Digital thermometers are commonly used temperature measurement tools in chemical laboratories, favored for their high accuracy and readability. It is usually equipped with a waterproof probe that can be directly immersed in liquid to measure temperature and transmit data to the display screen through wireless or wired means. The display screen of a digital thermometer can clearly show temperature readings. In chemistry teaching, digital thermometers can help students accurately measure and record temperature changes during the reaction process, observe the impact of temperature on chemical reactions such as dissolution, evaporation, distillation, etc. Its portability and user-friendly design enable students to independently measure temperature, making it an essential basic instrument in chemistry experiment teaching.